11 junio, 2024

Cannot Connect to CIFS / SMB / Samba Network Shares & Shared Folders in Windows 10

»»»Cannot Connect to CIFS / SMB / Samba Network Shares & Shared Folders in Windows 10

In Windows 10, especially after upgrading to Windows
10 build 9926 released on January 2015 or later, you may encounter the
following error when attempting to access remote shared folders or
network locations on a file server or NAS through CIFS, SMB or Samba
protocol. The remote network locations or shared folders have been
working all along, and continue to work and accessible for workstations
running Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows XP and older Windows versions.

\Remote-ServerPath is not accessible. You might not
have permission to use this network resource. Contact the administrator
of this server to find out if you have access permissions.

The account is not authorized to log in from this station.

The Account Is Not Authorized to Log In from This Station Windows 10

Note: The error message may change as Microsoft finalized Windows 10, but the symptom is the same.


The issue happens because Microsoft decided to “help” you to be more
secure, by disabled guest access to remote file access without an
account (i.e. user name and password). Microsoft explained:

The security change is intended to address a weakness
when using guest access. While the server may be fine not
distinguishing among clients for files (and, you can imagine in the home
scenario that it doesn’t matter to you which of your family members is
looking at the shared folder of pictures from your last vacation), this
can actually put you at risk elsewhere. Without an account and
password, the client doesn’t end up with a secure connection to the
server. A malicious server can put itself in the middle (also known as
the Man-In-The-Middle attack), and trick the client into sending files
or accepting malicious data. This is not necessarily a big concern in
your home, but can be an issue when you take your laptop to your local
coffee shop and someone there is lurking, ready to compromise your
automatic connections to a server that you can’t verify. Or when your
child goes back to the dorm at the university. The change we made
removes the ability to connect to NAS devices with guest access, but the
error message which is shown in build 9926 does not clearly explain
what happened. We are working on a better experience for the final
product which will help people who are in this situation.


recommended to add an explicit user account and password on your NAS
device or remote server which hosts the shared folders or remote file
access, and use that account for the connections. Or you can use
HomeGroup if everything is running Windows 7 or newer. As Windows 10 can
remember the user name and password credentials, so it’s a one-time
inconvenience to help secure your data and connections.

But thanks Microsoft. Remote file access has always included a way of
authenticating with user name and password before the access is granted
to connect to a file server. The fact that users are still setting up
the file sharing with guest access, where everyone can connect without a
user accounts shows there is a need for accessing remote files and
folders without worrying about user accounts authenticating.

To re-enable the guest access to remote shared folders and network locations in Windows 10:

  1. Run Registry Editor (REGEDIT).
  2. Navigate to the following registry key:

  3. Right click on the Parameters key name, and select New -> DWORD (32-bit) Value.
    New DWORD (32-bit) Value

  4. Name the new value as AllowInsecureGuestAuth and set its value data to 1.

  5. You should be able to access CIFS / SMB / Samba network shares instantly without login.

Update: If you’re using a Microsoft Account (MSA) to sign into Windows 10, you may also need to create a domain user account with proper access permissions configured in Samba or Windows Shared Folders on the remote server for authentication purpose, as Windows 10 may assume those logging in with MSA as domain users and requires higher trust level for security.

The solution is to create a local user that had the same username with Microsoft Account (the emailaddress@outlook.com or emailaddress@hotmail.com email address) used to sign onto Windows 10. In Windows,
you can use Control Panel or PC Settings app to create a new local user
account, while in Linux, uses useradd, passwd, and usermod to create
the local user account, set its password and add it to the user groups
which has the access rights in Samba.

Once you added the user account in remote server to connect to, time
to add the user credentials for the network share to your system. To do

  1. Open Power Users Quick Access menu and select Control Panel.
  2. Go to User Accounts.
  3. Click or tap on Manage Windows Credentials. Or, go to Credentials Manager then Windows Credentials tab.
  4. Click or tap on Add a Windows credential.
    Add a Windows Credential

  5. Enter the remote server computer name as the Internet or network address, and then enter the user name and password similar to MSA created on the remote server.
    Add Windows Credential

  6. Hit OK when done.

You can now try to connect to network shared folders.

Fuente: https://techjourney.net/cannot-connect-to-cifs-smb-samba-network-shares-shared-folders-in-windows-10/

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